EPA Air · stack tests by county and year
Air-emissions stack tests in Susquehanna County, Pennsylvania, 2025
- 159Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Susquehanna County, Pennsylvania during 2025. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Susquehanna County facility page.
Susquehanna County, Pennsylvania, 2025
Air-emissions stack tests in Susquehanna County, other years
Air-emissions stack tests recorded in Susquehanna County, Pennsylvania, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-05-12 | EXPAND OPERATING LLC/NR-23 FOUR BUCKS PAD | Pass | State |
| 2025-05-08 | TENNESSEE GAS PIPELINE CO LLC/COMP STA 321 | Pass | State |
| 2025-05-08 | WILLIAMS FIELD SVC CO LLC/MILLER COMP STA | Pass | State |
| 2025-05-07 | EXPAND OPERATING LLC/ RU-13 TONYA EAST PAD | Pass | State |
| 2025-05-06 | WILLIAMS FIELD SVC CO LLC/HAWLEY COMP STA | Pass | State |
| 2025-04-30 | COTERRA ENERGY INC/MEAD B PAD 1 — high-priority violation on file | Pass | State |
| 2025-04-30 | COTERRA ENERGY INC/BURKE G PAD 1 | Pass | State |
| 2025-04-30 | WILLIAMS, D. PAD 1 | Pass | State |
| 2025-04-29 | COTERRA ENERGY INC/CARPENETTI R PAD 1 | Pass | State |
| 2025-04-29 | COTERRA ENERGY INC/MYERS R PAD 1 | Pass | State |
| 2025-04-29 | HOWELL, G. PAD 1 | Pass | State |
| 2025-04-29 | BUSIK, J. PAD 1 | Pass | State |
| 2025-04-29 | DOBROSIELSKI, S PAD 1 | Pass | State |
| 2025-04-28 | ABBOTT, M. PAD 1 | Pass | State |
| 2025-04-24 | WILLIAMS FIELD SVC CO LLC/ZICK COMP STA | Pass | State |
| 2025-04-23 | WILLIAMS FIELD SVC CO LLC/CENTRAL COMP STA | Pass | State |
| 2025-04-23 | WILLIAMS FIELD SVC CO LLC/CENTRAL COMP STA | Pass | State |
| 2025-04-17 | WILLIAMS FIELD SVC CO LLC/NORTHEAST COMP STA | Pass | State |
| 2025-04-10 | SWN PROD CO/CARRAR COMP STA | Pass | State |
| 2025-04-10 | WPX ENERGY APPALACHIA LLC/POWERS SITE | Pass | State |
| 2025-04-08 | SOUTHWESTERN ENERGY CO/TNT LIMITED PARTNERSHIP WEST 6H | Pass | State |
| 2025-04-04 | WILLIAMS FIELD SVC CO LLC/FRASER COMP STA | Pass | State |
| 2025-04-03 | WILLIAMS FIELD SVC CO LLC/SHIELDS COMP STA | Pass | State |
| 2025-04-01 | WILLIAMS FIELD SVC CO LLC/TEEL COMP STA | Pass | State |
| 2025-03-27 | WILLIAMS FIELD SVC CO LLC/ZICK COMP STA | Pass | State |
| 2025-03-24 | REGENCY MARCELLUS GAS GATHERING LLC/TEEL COMP STA | Pass | State |
| 2025-03-20 | EXPAND OPERATING LLC/WR-63 KNOSKY WELL PAD | Pass | State |
| 2025-03-14 | EXPAND OPERATING LLC/SCOTT WELLPAD | Pass | State |
| 2025-03-13 | SUSQUEHANNA GATHERING CO 1 LLC/CDP 2 | Pass | State |
| 2025-03-13 | BOLLES COMPRESSOR STATION/JESSUP TWP | Pass | State |
| 2025-03-06 | EXPAND OPERATING LLC/BLYE WELL PAD | Pass | State |
| 2025-03-04 | REPSOL OIL& GAS USA LLC/REPINE COMP STA | Pass | State |
| 2025-03-04 | BOLLES SOUTH WELLPAD — high-priority violation on file | Pass | State |
| 2025-03-03 | BLUESTONE PIPELINE CO/COMFORT LAKE COMP STA | Pass | State |
| 2025-03-03 | LIPPINCOTT, F. PAD 1 — high-priority violation on file | Pass | State |
| 2025-02-26 | EXPAND OPERATING LLC/MASSO SUS PAD | Pass | State |
| 2025-02-25 | EXPAND OPERATING LLC/MCGAVIN WELL PAD | Pass | State |
| 2025-02-24 | BLUESTONE PIPELINE CO OF PA/HARMONY COMP STA | Pass | State |
| 2025-02-19 | WILLIAMS FIELD SVC CO/MACNEW COMP STA | Pass | State |
| 2025-02-18 | PAYNE, D. PAD 1 | Pass | State |
| 2025-02-18 | HAUSER, J. PAD 1 — high-priority violation on file | Pass | State |
| 2025-02-13 | WILLIAMS FIELD SVC CO LLC/GIBSON COMP STA | Pass | State |
| 2025-02-12 | WILLIAMS FIELD SVC CO LLC/WHITE COMP STA | Pass | State |
| 2025-02-12 | WILLIAMS FIELD SVC CO LLC/WHITE COMP STA | Pass | State |
| 2025-02-11 | WILLIAMS FIELD SVC CO LLC/MILLER COMP STA | Pass | State |
| 2025-02-11 | WILLIAMS FIELD SVC CO LLC/GIBSON COMP STA | Pass | State |
| 2025-02-11 | COTERRA ENERGY INC/ANDERSON R PAD 1 — high-priority violation on file | Pass | State |
| 2025-02-10 | WILLIAMS FIELD SVC CO LLC/MILLER COMP STA | Pass | State |
| 2025-02-04 | COTERRA ENERGY INC/LAMBERT R PAD 1 | Pass | State |
| 2025-02-04 | GRIFFITHS, J. PAD 1 | Pass | State |
| 2025-01-22 | WILLIAMS FIELD SVC CO LLC/CHURCH COMP STA | Pass | State |
| 2025-01-16 | APPALACHIA MIDSTREAM SVC LLC/AUBURN COMP STA | Pass | State |
| 2025-01-16 | SUSQUEHANNA GATHERING/CDP 1 COMP STA | Pass | State |
| 2025-01-15 | APPALACHIA MIDSTREAM SVC LLC/RATTLESNAKE HILL COMP STA | Pass | State |
| 2025-01-10 | BLUESTONE PIPELINE CO/COMFORT LAKE COMP STA | Pass | State |
| 2025-01-10 | WILLIAMS FIELD SVC CO LLC/GIBSON COMP STA | Pass | State |
| 2025-01-08 | WILLIAMS FIELD SVC CO LLC/CENTRAL COMP STA | Pass | State |
| 2025-01-08 | SWN PRODUCTION CO LLC/KING NORTH 3H | Pass | State |
| 2025-01-07 | WILLIAMS FIELD SVC CO LLC/WHITE COMP STA | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.